Quaternium 15

Duro Kimia is a supplier of Quaternium 15 personal care preservative from Dow Chemicals.

Quaternium 15 is an off-white powder with an amine odor.

Also known by several other names:

  • DOWICIL 200

  • Methenamine 3-chloroallylochloride

  • Hexamethylenetetramine chloroallyl chloride

  • cis-CTAC

  • cis-1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride

  • 3,5,7-Triaza-1-azoniatricyclo[,7]decane,1-(3-chloro-2-propenyl)-chloride


Quaternium 15 is primarily used as a preservative in a wide variety of personal care and cosmetic products. It is a broad spectrum preservative, designed to provide highly effective antimicrobial effect. It works especially well in water-based formulations.

Due to its safe chemistry, it is formulated in both leave-on and rinse-off applications:

  • Baby Care

  • Hair Care

  • Lotions

  • Powders

  • Creams

Product CAS No: 51229-78-8